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Open Redirect on FortiSIEM
Fortinet disclosed an open redirect flaw (CVSS 2.8) in FortiSIEM allowing authenticated attackers to redirect users to arbitrary websites via crafted HTTP requests.
Fortinet advisory FG-IR-26-169 covers an open redirect vulnerability (CWE-601) in FortiSIEM, rated CVSSv3 2.8. An authenticated attacker can cause a redirection to any website via specially crafted HTTP requests. The advisory was revised on 2026-09-08.
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Best Practices for Good Endpoint Hardening | Huntress
Huntress outlines endpoint hardening best practices, citing exposed RDP, RMM tool abuse, and ClickFix social engineering as common SMB intrusion paths.
Huntress published defensive guidance on endpoint hardening for small and mid-sized businesses, drawing on observations from its SOC. The post describes common intrusion vectors: internet-exposed RDP brute-forced by automated scanners, phishing emails delivering attacker-controlled remote monitoring and management (RMM) tools, with Huntress reporting a 277% spike in RMM abuse in 2025, and ClickFix attacks using fake CAPTCHA pages that trick users into running malicious commands. Recommended controls include scanning for exposed RDP, SSH, and VPN interfaces, removing unneeded local admin rights, enabling Windows Defender tamper protection, disabling SMBv1, and standardizing on one approved remote access tool, guided by CIS and NIST frameworks.
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Microsoft confirms KB5002914 Excel update breaks copy and paste
Microsoft confirms KB5002914 Office security update silently breaks copy-paste, autofill, and formula dragging in Excel 2016 through 2024.
Microsoft confirmed the September 2026 KB5002914 security update breaks copy-and-paste, autofill, and formula dragging in Excel 2024, 2021, 2019, and 2016. Failures occur silently with no beep or error message, leaving the destination unmodified. Uninstalling KB5002914 via OfficeC2RClient or Oarpmany restores functionality while Microsoft investigates.
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USN-8750-1: FFmpeg vulnerabilities
Ubuntu USN-8750-1 fixes multiple FFmpeg memory-handling flaws that allow denial of service via crafted files.
Ubuntu Security Notice USN-8750-1 patches several FFmpeg vulnerabilities related to incorrect memory operations, reported by Seung Min Shin, Xinghang Lv, and others. If a user or automated system is tricked into opening a specially crafted file, an attacker could cause a denial of service. Affected CVEs include CVE-2026-12706, CVE-2026-30999, and CVE-2026-58049.
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ZDI-26-633: GIMP PSP File Parsing Integer Overflow Remote Code Execution Vulnerability
ZDI disclosed a CVSS 7.8 integer overflow in GIMP's PSP file parser that enables remote code execution when users open malicious files.
ZDI published advisory ZDI-26-633 for an integer overflow in GIMP's parsing of PSP image files. Remote attackers can execute arbitrary code, but exploitation requires user interaction such as opening a malicious file. ZDI assigned CVSS 7.8 and the issue is tracked as CVE-2026-4153.
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Adobe security advisory (AV26-888)
Canada's Cyber Centre warns CVE-2026-75650 in Adobe Commerce and Magento Open Source is exploited in the wild; hotfixes and updates are available.
Canadian Centre for Cyber Security advisory AV26-888 (September 8, 2026) covers CVE-2026-75650 in Adobe Commerce, Adobe Commerce B2B and Magento Open Source. Adobe states the vulnerability is being exploited in the wild. Affected versions extend through the August 2026 patch levels across the 2.4.4-2.4.9 branches, with B2B versions 1.3.x-1.5.x also affected. Administrators are urged to apply the available hotfixes and updates.
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ZDI-26-604: Foxit PDF Reader Annotation Use-After-Free Remote Code Execution Vulnerability
Foxit PDF Reader use-after-free flaw (CVE-2026-13126) allows remote code execution when users open malicious files; CVSS 7.8 per ZDI advisory.
ZDI-26-604 describes a use-after-free vulnerability in Foxit PDF Reader's annotation handling, tracked as CVE-2026-13126 and rated CVSS 7.8. Exploitation requires user interaction, with the target visiting a malicious page or opening a malicious file, and allows remote attackers to execute arbitrary code. The advisory was published by the Zero Day Initiative on August 24, 2026.
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ZDI-26-600: Foxit PDF Reader Annotation Use-After-Free Information Disclosure Vulnerability
Foxit PDF Reader annotation use-after-free (CVE-2026-57237, CVSS 3.3) can disclose sensitive information when users open malicious PDFs.
ZDI-26-600 documents a use-after-free in Foxit PDF Reader annotation handling that allows remote information disclosure, tracked as CVE-2026-57237 with CVSS 3.3. Exploitation requires user interaction such as opening a malicious file or visiting a malicious page. The advisory was published by the Zero Day Initiative on August 24, 2026.
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